cpupower/man/cpupower-set.1

1 .TH CPUPOWER\-SET "1" "22/02/2011" "" "cpupower Manual"
3 cpupower\-set \- Set processor power related kernel or hardware configurations
6 .B cpupower set [ \-b VAL ]
11 registers affecting processor power saving policies.
15 described in the cpupower(1) manpage in the \-\-cpu option section. Whether an
24 \-\-perf-bias, \-b
27 its policy for the relative importance of performance versus energy savings to
30 The range of valid numbers is 0-15, where 0 is maximum
31 performance and 15 is maximum energy efficiency.
33 The processor uses this information in model-specific ways
34 when it must select trade-offs between performance and
37 This policy hint does not supersede Processor Performance states
38 (P-states) or CPU Idle power states (C-states), but allows
44 in the "turbo range" above the explicitly OS-controlled
45 P-state frequency range.  It may also tell the hardware
46 how aggressively it should enter the OS requested C-states.
48 This option can be applied to individual cores only via the \-\-cpu option,
51 Setting the performance bias value on one CPU can modify the setting on
54 Use \fBcpupower -c all info -b\fP to verify.
60 cpupower-info(1), cpupower-monitor(1), powertop(1)
64 \-\-perf\-bias parts written by Len Brown <len.brown@intel.com>